I was able to get a draw against a stronger chess player thanks to one of the rules of chess.

Wikipedia - Threefold repetition

In chess, the threefold repetition rule states that a player may claim a draw if the same position occurs three times. The rule is also known as repetition of position and, in the USCF rules, as triple occurrence of position. Two positions are by definition "the same" if the same types of pieces occupy the same squares, the same player has the move, the remaining castling rights are the same and the possibility to capture en passant is the same. The repeated positions need not occur in succession. The reasoning behind the rule is that if the position occurs three times, no real progress is being made and the game could hypothetically continue indefinitely.

The game is not automatically drawn if a position occurs for the third time – one of the players, on their turn, must claim the draw with the arbiter. The claim must be made either before making the move which will produce the third repetition, or after the opponent has made a move producing a third repetition.

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At Lichess.org I have set my preferences to automatically call a game a draw if the same position is reached 3 times.

An example is this draw I got against a very strong chess player. I had the Black pieces.

https://lichess.org/61fwoxor/black